I had a similar problem with a extremely simple set-up, but never found a solution.
This happens on 6.25 and 6.24. Never tested it on earlier versions.
1 OmniTik with 2 clients on the WLAN connecting to 2 different networks, and 2 IPs allocated to the WLAN interface, one for each network.
A third network was set to be reached via one of the clients, 1 ethernet link connecting to a third network via ethernet.
OSPF set up only on the ethernet port on backbone, and set to export connected and static routes as ext2 (also tried ext1 with the same result).
On another router (RB1100AHx2) there where about 5 other OSPF peers on one instance connected to backbone.
Now everything was working OK on the system for some 20-30 minutes, sometimes up to 1 hour, with the exported routes appearing on the RB1100, and the routes from the RB1100 appearing in the LSA and the routing table of the OmniTik.
After that time, all routes from the RB1100 disappear from the OmniTiks routing table and from the OSPF route list, but still persist in the LSA.
In the OSPF route list, only the static routes to be exported are present.
The exported ext2 routes also did not show up anymore on the RB1100. The OSPF instance showed it was up and running, having 1 neighbor.
After disabling and enabling the OSPF instance entry, everything goes back to normal for another 20-30 minutes.
I never found a workaround for this, and replaced the OSPF routing with static routing.
Last edited by docmarius
on Mon Feb 02, 2015 12:06 am, edited 1 time in total.
Torturing CCR1009-7G-1C-1S+, RB450G, RB750GL, RB951G-2HnD, RB960PGS, RB260GSP, OmniTIK 5HnD and NetMetal 922UAGS-5HPacD + R11e-5HnD in my home network.